Hi Giovanni, we had this problem as well. The cause was that the different nodes have slightly different idf values.
We solved this problem by doing an optimize operation which really remove suppressed data. Ludovic. ----- Jouve France. -- View this message in context: http://lucene.472066.n3.nabble.com/unstable-results-on-refresh-tp4164913p4165086.html Sent from the Solr - User mailing list archive at Nabble.com.